Injection molding method for thin-wall plastic part
A technology of injection molding and plastic parts, which is applied in the field of injection molding, and can solve the problems of warping of finished products, affecting the uniformity of melt injection, and small circulation channels, so as to reduce warping of finished products, prolong coagulation time, and reduce energy waste Effect
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[0050] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail in conjunction with specific embodiments and with reference to the accompanying drawings.
[0051] In the first exemplary embodiment of the present invention, an injection molding method of a thin-walled plastic part is provided. Such as figure 1 As shown, the injection molding method of the thin-walled plastic part of this embodiment includes the following steps:
[0052] Step 1: Filling with plastic raw materials, put the plastic raw materials into the hopper, melt them at high temperature by the screw extruder and inject them into the cavity; the injection pressure is 1000~1200kg / cm 2 , The injection time is 1~4s, the injection speed is controlled at 300~600mm / s; the mold temperature is controlled to change dynamically between 50~220℃, and the high frequency or ultra high frequency electromagnetic induction c...
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